Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mr. Mark Dennis Sandlin, MA

Individual provider Marriage & Family Therapist · NPI 1255832697

Mr. Mark Dennis Sandlin, MA is a Marriage & Family Therapist in San Dimas, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2018
What do these letters mean?
MA — Master of Arts
A graduate arts degree.

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Practice location Address checks out

1111 W Covina Blvd
San Dimas, CA 91773-3205
Phone: (626) 771-7567
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X · Licence 91727 (CA)

Record details

NPI number1255832697
Entity typeIndividual (Type 1)
GenderMale
Credentials MA
Sole proprietorYes
NPI enumeratedFebruary 21, 2018
Last updated in NPPESFebruary 21, 2018

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